hujjatlarni indekslashdavektor mashinalaridanfoydalanish

prezentatsiya powerpoint hujjatlarni indekslashda vektor mashinalaridan foydalanish. ma’ruza rejasi hujjatlarning vektor fazo modeli binar(ikkilik sinflashtirish) support vector machine (svm) algoritmi svm da yadro funksiyalari svm orqali ko‘p sinfli sinflashtirish hujjatlarning vektor fazo modeli tf (term frequency) – atama chastotasi idf (inverse document frequency)- hujjatning teskari chastotasi tf-idf (term frequency- inverse document frequency) – atamaning hujjatga tegishlilik ko’rsatkichi hujjatlarning vektor fazo modeli doc1= [tf1, tf2 ,…., tfn] doc2= [tf1, tf2 ,…., tfn] … sinf 2: doc3= [tf1, tf2 ,…., tfn] doc4= [tf1, tf2 ,…., tfn] … sinf 3: doc5= [tf1, tf2 ,…., tfn] doc6= [tf1, tf2 ,…., tfn] … … sinf 1:  sinf 1: doc1= [tf-idf1, tf-idf2 ,…., tf-idfn] doc2= [tf-idf1, tf-idf2 ,…., tf...

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